Average Bit Error Rate Bpsk
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In this post, we will derive the theoretical equation for bit error rate (BER) with Binary Phase Shift Keying probability of error in qpsk (BPSK) modulation scheme in Additive White Gaussian Noise (AWGN) channel. The BER
Bit Error Rate Of Bpsk
results obtained using Matlab/Octave simulation scripts show good agreement with the derived theoretical results. With Binary Phase Shift
Bit Error Rate Matlab Code
Keying (BPSK), the binary digits 1 and 0 maybe represented by the analog levels and respectively. The system model is as shown in the Figure below. Figure: Simplified block
Bpsk Bit Error Rate Matlab Code
diagram with BPSK transmitter-receiver Channel Model The transmitted waveform gets corrupted by noise , typically referred to as Additive White Gaussian Noise (AWGN). Additive : As the noise gets ‘added' (and not multiplied) to the received signal White : The spectrum of the noise if flat for all frequencies. Gaussian : The values of the noise follows the ber of bpsk in awgn channel matlab code Gaussian probability distribution function, with and . Computing the probability of error Using the derivation provided in Section 5.2.1 of [COMM-PROAKIS] as reference: The received signal, when bit 1 is transmitted and when bit 0 is transmitted. The conditional probability distribution function (PDF) of for the two cases are: . Figure: Conditional probability density function with BPSK modulation Assuming that and are equally probable i.e. , the threshold 0 forms the optimal decision boundary. if the received signal is is greater than 0, then the receiver assumes was transmitted. if the received signal is is less than or equal to 0, then the receiver assumes was transmitted. i.e. and . Probability of error given was transmitted With this threshold, the probability of error given is transmitted is (the area in blue region): , where, is the complementary error function. Probability of error given was transmitted Similarly the probability of error given is transmitted is (the area in green region): . Total probability of bit error . Given that we assumed that and are
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LinkedIn Reddit Download Full-text PDF Average Bit-Error Rate of the Alamouti Scheme in Gamma-Gamma Fading ChannelsArticle (PDF https://www.researchgate.net/publication/224206694_Average_Bit-Error_Rate_of_the_Alamouti_Scheme_in_Gamma-Gamma_Fading_Channels Available) in IEEE Photonics Technology Letters 23(4):269 - 271 · March 2011 with 210 ReadsDOI: 10.1109/LPT.2010.2100815 · Source: IEEE Xplore1st Jaedon Park16.76 · Korea Advanced Institute of Science and Technology2nd Lee Eunju19.97 · Korea Institute of Science and Technology Information (KISTI)3rd Giwan Yoon33.78 · Korea Advanced Institute of Science and TechnologyAbstractMulti-input multi-output (MIMO) in free-space optics communications with bit error subcarrier intensity modulation has been a big research issue due to the diversity gain of MIMO to mitigate the signal scintillation caused by the atmospheric turbulence. In this work, we have analyzed the performance of the Alamouti scheme in FSO links. Particularly, a power series expression of the average bit-error rate (BER) bit error rate of the Alamouti scheme is derived in gamma-gamma fading channels. As a result, the Alamouti scheme could achieve a high signal-to-noise ratio (SNR) gain of 37 dB in a strong turbulence regime, and also a high SNR gain of 27 dB in a moderate turbulence regime over the no diversity at the BER of 10-6.Discover the world's research10+ million members100+ million publications100k+ research projectsJoin for free FiguresEnlarge IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 23, NO. 4, FEBRUARY 15, 2011 269Average Bit-Error Rate of the Alamouti Scheme inGamma-Gamma Fading ChannelsJaedon Park, Eunju Lee, and Giwan YoonAbstract—Multi-input multi-output (MIMO) in free-spaceoptics communications with subcarrier intensity modulation hasbeen a big research issue due to the diversity gain of MIMOto mitigate the signal scintillation caused by the atmosphericturbulence. In this work, we have analyzed the performance ofthe Alamouti scheme in FSO links. Particularly, a power seriesexpression of the average bit-error rate (BER) of the Alamoutischeme is derived in gamma